Ore Hardness Mapping of Batu Hijau Ore Deposit Using …

Batu Hijau has a dual-line grinding mill circuit, two SAG mills, followed by two closed-circuit ball mills per SAG mill and a combined pebble crusher circuit. The SAG mill is fed with crushed ore from the mine with 80% passing (F80) 50 to 70 millimetres (mm). The typical throughput capacity of Batu Hijau's grinding circuit is 4,000 to 6,000

THE COMMINUTION CIRCUIT DESIGN FOR THE …

feed size (F80) of over 70 mm and a SAG mill throughput of 5200 t/h. The Batu Hijau SAG mill specific energy was a function of point load test and RQD. The point load test substitutes for Axb measurement in that relationship. The Batu Hijau ore is less fractured than the Constancia ore based on the average RQD data and Constancia's SAG mill ...

Batu Hijau ore body description in 16 ore hardness domains

Burger et al. (2006) successfully increased the mills' capacity in the Batu Hijau copper mine by performing a mine-to-mill approach. They also found that in addition to the characteristics of the ...

Batu Hijau model for throughput forecast, mining …

The mounted semi autogenous (SAG) mill in the processing unit of the Midouk copper mine which consumes 35% of operational costs has a critical size within the range of 2.5–5 cm.

Improvements in the operation and control of SAG mills in …

This has been the case at PT Amman Mineral's Batu Hijau SAG mills, where frequent variations were observed due to size segregation in feed. Furthermore, SAG mill behaviour and the …

batu hijau sag mill

Batu Hijau has a dual-line grinding mill circuit, two SAG mills, followed by two closed-circuit ball mills per SAG mill and a combined pebble crusher circuit. The SAG mill is fed with … Цааш унших

Strengthening of Grinding Building Slab Batu Hijau …

At Batu Hijau, ore containing copper and gold is extracted from an open-pit mine, crushed, then conveyed to the concentrator facility, where it is further ground and ... on them which are used to reline the Ball and SAG Mills during bi-annual shutdowns. In addition to the steel liners, heavy equipment is often carried by the structural concrete ...

SAG Conference 2023

Improvements in the operation and control of SAG mills in PT Amman Mineral's Batu Hijau operation using mill load soft sensor (P. Condori) 11:00 11:15 Paper 9 Unique Campaign Processing of ores from Santa Elena and Ermitaño mines using the same comminution circuit (F. Wang) 11:00 11:15 Paper 9

Batu Hijau Model for Throughput Forecast, …

In a collaborative effort through 2004, the Batu Hijau Mine-to-Mill Team and Minerals Process Technology – Asia Pacific (MMPT-AP) conducted a comprehensive review of ore hardness and fragmentation in the Batu Hijau …

Batu Hijau mill throughput optimisation: milling circuit …

This paper discusses the development of the Batu Hijau Milling Circuit Configuration Strategy, which incorporates mine ore scheduling, mill shutdown planning, SAG Mill discharge grate, …

The Siemens 42ft gearless mill drive, still an …

demand for grinding mills beyond today's standards of 40ft is just part of the natural market development and will soon challenge the suppliers. Past experiences guided Siemens to establish a new culture in designing bigger and more powerful Gearless Mill Motors for the expected de-mand for 42ft and 44ft mills.

Major Mines & Projects | Batu Hijau Mine

Together, Batu Hijau mine and the Elang development project, form the fifth-largest copper-gold mining complex in the world in terms of copper-equivalent reserves. From 2000 to 2016, Phases 1 through 6 were mined at Batu Hijau. Currently, Batu Hijau is in Phase 7 of its ore mining plan.

SAG Mill Feed Chute Design| Long Life | Wear …

This design of SAG mill feed chute lasted 9 months seeing 90,000 TPD. It is 600 brinell chrome steel. With the big liners on the bottom of the chute you need to get a Chevron cast into the top to push the feed out to the sides …

SAG Conference 2023

Improvements in the Operation and Control of SAG Mills in Pt Amman Mineral's Batu Hijau Operation Using Mill Load Soft Sensor (P. Condori) 11:00 11:15 Paper 9 Campaign Processing of Ores from Santa Elena and Ermitaño Mines Using the Same Comminution Circuit (F. Wang) 11:00 11:15 Paper 9 Identification of Semi-Autogenous Grinding Mill Operating

SAG Conference 2023

Improvements in the Operation and Control of SAG Mills in Pt Amman Mineral's Batu Hijau Operation Using Mill Load Soft Sensor (P. Condori) 11:00: 11:15 Paper 9: Campaign Processing of Ores from Santa Elena and Ermitaño Mines Using the Same Comminution Circuit (F. Wang) 11:00 11:15: Paper 9 Identification of Semi-Autogenous Grinding Mill Operating

Batu Hijau Model for Throughput Forecast, Mining and …

EXECUTIVE SUMMARY PTNNT Batu Hijau and Minerals Process Technology (Asia-Pacific) (MMPT-AP) have developed a comprehensive model for forecasting and optimising throughput at the Batu Hijau ...

Batu Hijau, Indonesia

The SMC Test® is the most widely-used comminution test in the world for AG & SAG Mills, HPGRs and Crushers. It is used to design comminution plants, optimize circuit performance, forecast throughput, ... Batu Hijau, Indonesia Throughput decline reversed, and revenue increased by $150M through the application of SMC-Test-related technology. ...

UNDErsTaNDINg MINE TO MILL

Understanding Mine to Mill is presented in five parts. Part A – Setting the Scene provides some definitions of Mine to Mill (M2M) and the historical background. A chronology of Mine to Mill developments is followed by brief descriptions of the very wide range of Mine to Mill applications which have been implemented over the last 15 years.

Batu Hijau Model for Throughput Forecast, Mining …

PTNNT Batu Hijau and Minerals Process Technology (Asia-Pacific) (MMPT-AP) have developed a comprehensive model for forecasting and optimising throughput at the Batu Hijau operation. The model is based on …

Improvements in the operation and control of SAG mills in …

This has been the case at PT Amman Mineral's Batu Hijau SAG mills, where frequent variations were observed due to size segregation in feed. Furthermore, SAG mill behaviour and the relationship between bearing pressure (or load cell) and the charge inside the mill changes over the liner life. Therefore, accurate estimation of mill charge over ...

SAG Mills Archives

AG and SAG mills are now the primary unit operation for the majority of large grinding circuits, and form the basis for a variety of circuit configurations. ... Method as published in the Book Mineral Processing Plant Design, Practice, and Control Proceedings, include: Alumbrera Batu Hijau Cadia (one consultant among others) Candelaria ...

New SAG/ball mill circuit flowsheet

The ball-mills in SABC circuits are operated at a relatively high speed (70-78% of critical speed), with large balls (50 mm to 80 mm), to cope with a coarse feed (a transfer size from the SAG mill ...

APPLIED GEO-METALLURGICAL CHARACTERISATION …

The Mine to Mill strategy at Batu Hijau has been to continually improve orebody geo- metallurgical characterisation and, via practical use of these data, to improve the ability to forecast mill …

Batu Hijau, Indonesia

The Batu Hijau mine, formerly owned by Newmont but now run by Amman Minerals, is the second largest copper and gold mine in Indonesia. Since its start up in 2000 it has produced over 3.6 million tonnes of copper and 8 million …

BATU HIJAU MILL THROUGHPUT OPTIMIZATION: …

This paper discusses the development of the Batu Hijau Milling Circuit Configuration Strategy, which incorporates mine ore scheduling, mill shutdown planning, SAG Mill discharge grate, …

Batu Hijau Archives

Given the success of the Batu Hijau mining contract to date and AMNT's expected outlook for copper and gold prices, AMNT has made the decision to expand the Batu Hijau mine by undertaking a further cutback of the pit, known as Phase 8. ... This makes it, the company says, the most widely used comminution test in the world for AG & SAG mills ...

Batu Hijau, Indonesia

The Batu Hijau mine, formerly owned by Newmont but now run by Amman Minerals, is the second largest copper and gold mine in Indonesia. ... One of its principal findings was that the point load index, which had historically been used to characterise the SAG mills' response to changes in ore hardness, was failing to identify that the SAG mill ...

Batu Hijau Model for Throughput Forecast, Mining and …

SAG Mill throughput rates are dependant on ore hardness or breakage rates in the mill and ... through 2004, the Batu Hijau Mine-to-Mill Team and Minerals Process Technology –

SMC Test® Minerals Processing Comminution Testing

The SMC Test® is the most widely-used comminution test in the world for AG & SAG Mills, HPGRs and Crushers. It is used to design comminution plants, optimize circuit performance, forecast ... Batu Hijau, Indonesia Throughput decline reversed, and revenue increased by $150M through the application of SMC-Test-related technology. Minera ...

Ball Mill Poly-Met Liner Evaluation at

- Batu Hijau Mine A Maclean1, F Wirfiyata2, G Khomaeni3, A Jankovic4, G Pasin5 and W Valery6 ABSTRACT ... (SAG) mill, a common ebble-crushing circuit and two ball mills. Tire four 20' x 33'6" ball ...

Improvements in the Operation and Control of SAG mills in …

Batu Hijau was one of the early adopters of the JK MillFIT and stockpile soft sensors. This paper presents the lessons learned from implementing the soft sensors to …

Figure 1. RQD effect on SAG feed size and SAG throughput

Burger et al. (2006) successfully increased the mills' capacity in the Batu Hijau copper mine by performing a mine-to-mill approach. They also found that in addition to the characteristics of the ...

Mill Throughput Predictions | Download Scientific …

Download scientific diagram | Mill Throughput Predictions from publication: Batu Hijau model for throughput forecast, mining and milling optimization, and expansion studies | PT Newmont Nusa ...